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SAE-AISI H21 Steel vs. C94500 Bronze

SAE-AISI H21 steel belongs to the iron alloys classification, while C94500 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
92
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 76
34
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
170

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Melting Completion (Liquidus), °C 1630
940
Melting Onset (Solidus), °C 1580
800
Specific Heat Capacity, J/kg-K 440
330
Thermal Conductivity, W/m-K 27
52
Thermal Expansion, µm/m-K 11
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.5
9.3
Embodied Carbon, kg CO2/kg material 4.5
3.2
Embodied Energy, MJ/kg 68
51
Embodied Water, L/kg 72
380

Common Calculations

Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 23
16
Strength to Weight: Axial, points 23 to 58
5.2
Strength to Weight: Bending, points 21 to 38
7.4
Thermal Diffusivity, mm2/s 7.1
17
Thermal Shock Resistance, points 24 to 59
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0
Copper (Cu), % 0 to 0.25
66.7 to 78
Iron (Fe), % 87.6 to 93.8
0 to 0.15
Lead (Pb), % 0
16 to 22
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.15 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0 to 1.2